<?php  
class ControllerCommonLogin extends Controller { 
    private $error = array();

    public function index() { 

        $this->language->load('common/login');

        $this->document->setTitle($this->language->get('heading_title'));
        if ($this->auth->is_logged() && $this->auth->validate_token()){ 

            $user_dao = $this->auth->get_dao();
            $user = $this->auth->get_user();
            $user_dao->update_ip($user, $this->request->server['REMOTE_ADDR']);
            $user_dao->update_session($user, $this->session);

            $this->redirect($this->url->link('common/home', 'token=' . $this->session->data['token'], 'SSL'));
        }

        if (($this->request->server['REQUEST_METHOD'] == 'POST') && $this->validate()) { 
            if (isset($this->request->post['redirect'])) {
                $this->redirect($this->request->post['redirect'] . '&token=' . $this->session->data['token']);
            } else {
                $this->redirect($this->url->link('common/home', 'token=' . $this->session->data['token'], 'SSL'));
            }
        }

        $this->data['heading_title'] = $this->language->get('heading_title');

        $this->data['text_login'] = $this->language->get('text_login');
        $this->data['text_forgotten'] = $this->language->get('text_forgotten');

        $this->data['entry_username'] = $this->language->get('entry_username');
        $this->data['entry_password'] = $this->language->get('entry_password');

        $this->data['button_login'] = $this->language->get('button_login');

        if ((isset($this->session->data['token']) && !isset($this->request->get['token'])) || ((isset($this->request->get['token']) && (isset($this->session->data['token']) && ($this->request->get['token'] != $this->session->data['token']))))) {
            $this->error['warning'] = $this->language->get('error_token');
        }

        if (isset($this->error['warning'])) {
            $this->data['error_warning'] = $this->error['warning'];
        } else {
            $this->data['error_warning'] = '';
        }

        if (isset($this->session->data['success'])) {
            $this->data['success'] = $this->session->data['success'];

            unset($this->session->data['success']);
        } else {
            $this->data['success'] = '';
        }

        $this->data['action'] = $this->url->link('common/login', '', 'SSL');

        if (isset($this->request->post['username'])) {
            $this->data['username'] = $this->request->post['username'];
        } else {
            $this->data['username'] = '';
        }

        if (isset($this->request->post['password'])) {
            $this->data['password'] = $this->request->post['password'];
        } else {
            $this->data['password'] = '';
        }

        if (isset($this->request->get['route'])) {
            $route = $this->request->get['route'];

            unset($this->request->get['route']);

            if (isset($this->request->get['token'])) {
                unset($this->request->get['token']);
            }

            $url = '';

            if ($this->request->get) {
                $url .= http_build_query($this->request->get);
            }

            $this->data['redirect'] = $this->url->link($route, $url, 'SSL');
        } else {
            $this->data['redirect'] = '';	
        }

        if ($this->setting->get('config_password')) {
            $this->data['forgotten'] = $this->url->link('common/forgotten', '', 'SSL');
        } else {
            $this->data['forgotten'] = '';
        }

        $this->template = 'common/login.tpl';
        $this->children = array(
            'common/header',
            'common/footer'
        );

        $this->response->setOutput($this->render());
    }

    protected function validate() {

        if (isset($this->request->post['username']) && isset($this->request->post['password'])){
            if(!$this->auth->login($this->request->post['username'], $this->request->post['password'])) {
                $this->error['warning'] = $this->language->get('error_login');
            }
        }
 
        if (!$this->error) {
            return true;
        } else {
            return false;
        }
    }
}  
?>
